Stafford Tavares: Difference between revisions
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Latest revision as of 17:00, 21 October 2024
Stafford E. Tavares is a cryptographer who teaches at Queens University in Canada. His specialty is block cipher design and analysis; he has published extensively in that area.
His main theoretical contribution is the strict avalanche criterion [1]. This is a strong version of the requirement for good avalanche properties in block ciphers; complementing any single bit of the input or the key should give exactly a 50% chance of a change in any given bit of output.
Tavares has also made more practical contributions. He was Carlisle Adams' PhD thesis[2] supervisor in the work that led to the CAST family of block ciphers. He has since done work [3] on security analysis of those ciphers.
References
- ↑ A. F. Webster and Stafford E. Tavares (1985), "On the design of S-boxes", Advances in Cryptology - Crypto '85 (Lecture Notes in Computer Science)
- ↑ C. M. Adams (1990), A Formal and Practical Design Procedure for Substitution-Permutation Network Cryptosystems, Department of Electrical Engineering, Queen's University
- ↑ H.M. Heys and S.E. Tavares (September 1994), "On the Security of the CAST Encryption Algorithm", Canadian Conference on Electrical & Computer Engineering